Hand stamp for cutting strip material

 

The invention relates to a pressure treatment of materials and can be used for cutting strip material, including cutting knives cutting starcevich forms with the formation of the "whiskers" on the cutting edge of the knife. Hand stamp comprises a base with a work Desk, a punch with two cutting edges, mounted with the possibility of reciprocating motion, a matrix with a through hole with two cutting edges mounted on the desktop, and emphasis. The matrix is set flush with the surface of the desktop, and the through hole of the matrix is performed with a cross section in the form of a hexagon with two pairs of parallel sides and two sloping sides. A pair of large parallel equal sides and the adjacent sloping sides form cutting edges, the punch is made in the form of a polyhedron, whose cross section is in a plane parallel to the surface of the desktop, conforms to the shape of the through hole of the matrix. The shape of the cutting edges of the punch matches the shape of the cutting edges of the matrix, the plug is installed and mounted in a holder rigidly connected to the slider, which is pivotally connected with a Cam, and the Cam hinged to the base, and on it Zack is on the surface of the working table is equipped with measuring ruler in the form of a Vernier caliper, on a movable carriage which has the focus, the work plane which is perpendicular to the plane of the desktop, and the axis of the fence parallel to the plane of the desktop. Emphasis is installed on the bracket, pivotally connected with the movable carriage of the measuring range. On the desktop perpendicular to its surface and perpendicular to the plane of movement of the punch has two long stops on opposite sides of the punch with the overlapping of the cutting edges of the punch in the field started cutting. The use of such design leads to higher precision cuts the workpiece in size and provide cutting blanks knives for starcevich forms a broken line with the formation of the "whiskers" in the area of the cutting edge of the knife. 5 C. p. F.-ly, 8 ill.

The invention relates to the field of materials processing pressure and can be used for cutting strip material, including cutting knives cutting starcevich forms with the formation of the "whiskers" on the cutting edge of the knife. Die form used for the manufacture of packaging, labels, etc.

Famous stamp for cutting a strip of material containing a punch with one cutting edge that is installed with the possibility of reciprocating n is the size, because there is no emphasis, and the preliminary layout does not give the required accuracy. This device allows you to receive only straight cut, whereas in the manufacture of cutting starcevich forms their knives must be cut by a broken line, taking into account the angle of sharpening the cutting edge of the knife, with the formation of a "moustache". This form of cutting is necessary for knives that are installed in stanaway form perpendicular to each other to eliminate neporotov in the procurement package.

Famous stamp for cutting sheet material comprising a base with a work Desk, a punch with two cutting edges, mounted with the possibility of reciprocation, a matrix with a through hole with two cutting edges mounted on the desktop, and the emphasis for the installation of the workpiece [2]. This stamp provides a more accurate cut blanks in size compared to the solution [1] due to the presence of focus and increases productivity due to the presence of the two cutting edges in the matrix and the punch, because after one cut formed of two blanks. However, this device also does not provide cut by broken lines with the formation of a "moustache".

The technical result of the invention is to form the curved line forming the "whiskers" in the area of the cutting edge of the knife.

This technical result is achieved in that in the manual stamp for cutting a strip of blanks containing base with a work Desk, a punch with two cutting edges, mounted with the possibility of reciprocating motion, a matrix with a through hole with two cutting edges mounted on the desktop, the rest of the matrix are flush with the surface of the desktop, and the through hole of the matrix is performed with a cross section in the form of a hexagon with two pairs of parallel sides and two sloping sides, with a pair of large parallel equal sides and the adjacent sloping sides form the cutting edges, the punch is made in the form of a polyhedron, whose cross section is in a plane parallel to the surface of the desktop, conforms to the shape of the through hole of the matrix, and the shape of the cutting edges of the punch matches the shape of the cutting edges of the matrix, the plug is installed and mounted in a holder rigidly connected to the slider pivotally connected to a Cam and Cam hinged to the base, and the Cam is fixed to the handle, the slider and the Cam is placed in a cavity made in the base, and the base pairs is arette which has the focus, the work plane which is perpendicular to the plane of the desktop, and the axis of the focusing plane is parallel to the desktop, and the emphasis is installed on the bracket, pivotally connected with the movable carriage measuring ruler on the desktop perpendicular to its surface and perpendicular to the plane of movement of the punch has two long stops on opposite sides of the punch with the overlapping of the cutting edges of the punch in the field started cutting.

Cutting blanks knives for starcevich forms a broken line with the formation of the "whiskers" in the area of the cutting edge of the knife is provided that the through hole of the matrix is performed with a cross section in the form of a hexagon with two pairs of parallel sides and two sloping sides, with a pair of large parallel equal sides and the adjacent sloping sides form cutting edges, the punch is made in the form of a polyhedron, whose cross section is in a plane parallel to the surface of the desktop, conforms to the shape of the through hole of the matrix, and the shape of the cutting edges of the punch matches the shape of the cutting edges of the matrix. The presence of the beveled sides of the cutting edges of the die and punch provides cross-cutting blanks knives on lo the military to form a "mustache" on both cut blanks. Set emphasis on the movable carriage of the measuring line in the form of a caliper allows to improve the accuracy of cutting the workpiece in size without prior markup.

Hand stamp for cutting a strip of blanks according to the invention is shown in Fig. 1-8, while in Fig.1 shows a General view, Fig.2 is a top view, Fig. 3 - section a-a in Fig.1, figs.4 - section b-B in Fig.1, figs.5 - section b-b In Fig.3, Fig.6 - matrix, cross-section of the punch and the position of the workpiece knife relative to the matrix, Fig. 7 - preparation of a knife for cutting starcevich forms obtained by using a hand stamp, and its cross-section, Fig.8 - the dock of the cutting edges of the knives at their junction at right angles, where: 1 - base; 2 - Desk; 3 - punch; 4 - matrix; 5 - stop; 6 - punch holder; 7 - RAM; 8 - eccentric; 9 - arm;
10 - measuring ruler;
11 is movable carriage;
12 - bracket;
13 - long emphasis;
14 - stop screw;
15 - wire;
16 - spring;
17 - prism for installation of the handle;
18 - strip harvesting.

Hand stamp for cutting a strip of blanks (Fig.1) comprises a base 1 with a work table 2, the punch 3 with two cutting edges, mounted with the possibility of reciprocating motion, a matrix with 4 squozen the face with the surface of the working table 2, and the through hole of the matrix is performed with a cross section in the form of a hexagon with two pairs of parallel sides and two sloping sides, with a pair of large parallel equal sides and the adjacent sloping sides form the cutting edges (Fig.6). The plug 3 is made in the form of a polyhedron, whose cross section is in a plane parallel to the surface of the working table 2, corresponds to the shape of the through holes of the matrix 4, the shape of the cutting edges of the punch 3 correspond to the shape of the cutting edges of the matrix 4. The punch 3 is installed and fixed in the holder 6 (Fig.3) rigidly connected to the slider 7, pivotally connected with a Cam 8, and the Cam 8, hinged to the base 1, and the Cam is fixed to the arm 9, and the slider 7 and the Cam 8 is placed in a cavity made in the base 1. On the base parallel to the surface of the work table (Fig.2) set the measuring line 10 in the form of a caliper on the movable carriage 11 is set to the stop 5. The work plane of focus is perpendicular to the plane of the working table 2, and the axis of the focusing plane is parallel to the desktop, and the focus is set on the bracket 12, pivotally connected with the movable carriage 11 measuring range line two long stops 13 on opposite sides of the punch with the overlapping of the cutting edges of the punch in the field started cutting.

The base 1 is mounted on the threaded stop screw 14 (Fig.3), which limits the stroke of the slide in the upward direction, and thereby determines the starting position of the arm 9, is convenient for a particular operator.

On Cam 8 is fixed a cable 15 which is connected through a spring 16 with the base 1 (Fig.4). When working stroke of the handle 9, the cable 15 is wound on the Cam 8 by stretching the spring 16. After completion of the stroke arm 9 under the influence of spring 16 returns to its original position without effort on the part of the operator.

Arm 9 (Fig. 5) are removable and can be installed on the Cam 8 on the lateral faces of the prism 17 with the number of faces not less than three, then consolidate that allows you to reset the handle in different positions on the corner, easy to work with a specific operator.

Hand stamped with two sets of punch-matrix, two beveled side cutting edges which form an angle of 52oor 42ocorresponding corner sharpening the cutting edges of the knives for cutting starcevich forms.

Hand stamp works as follows. On the desktop 2 base 1 (Fig. 1-3) install strip the workpiece 18 knife cutting stanaway form, primapromstroy only one cutting edge. Perform the labor movement - rotate the handle 9. Rotation of the handle is transmitted to the eccentric shaft 8 (Fig.3), is converted into a translational movement of the slide 7 and, consequently, the punch 3, fixed on the slide in the holder of the punch 6. Is cross-cutting the workpiece, which forms a front end edge blanks blade knife with formed "moustache". The waste falls into the hole of the matrix 5. During the rotation of the Cam disk 8 on it is wound the cable 15 (Fig.4 and 5) connected through a spring 16 with the base 1. After releasing the arm 9 under the influence of spring 16 eccentric shaft 8 together with the handle automatically returns to its original position. The initial position is returned and the slider 7 with the punch 3. The device is ready for operation again. Moving the movable carriage 11 along the measuring line 10 focus 5 is set to a size corresponding to the length of the cut-out billet knife. Emphasis 5 by the rotation of the bracket 12 in a swivel is inserted into the working area of the device. Emphasis 5 comes into contact with the surface of the working table 2. The workpiece 18 is pressed against the surface of the working table 2, both the long lugs 13, and the front end edge to the working plane of the stop 5. PSCI both cutting edges formed in the rear end edge of the cut to the required dimension of the workpiece knife and the front end edge of the next workpiece, both formed with a "moustache". Waste also falls into the hole of the matrix 5. The device is ready for the next segment of the workpiece.

Form received billet knife for cutting stanaway form and the junction of the cutting edges of knives mounted in startform angle 90oto each other, as shown in Fig.7 and Fig.8, respectively. In the case of an adjunction knives to each other at an angle other than 90othat is additional treatment end edges of the knives.

Thus, hand stamp for cutting strip material according to the invention provides a cutting blanks knives for starcevich forms a broken line with the formation of the "whiskers" in the area of the cutting edge of the knife. This form of the cutting edge of knife eliminates nepareizi in the procurement package when installing the knives in stanaway form. The device provides high accuracy cutting the workpiece in size, increases the efficiency of work, convenient operation and optimized from the point of view supplied by the operator effort.

Sources of information
1. A. C. SU 196705, class B 23 D 15/08, 07.01.65.

2. A. C. SU 480504, class B 23 D 15/08, 12.02.74 (prototype).


Claims

1. Hand stamp for cutting a strip of blanks containing core is a high traffic, a matrix with a through hole with two cutting edges mounted on the desktop, and emphasis, characterized in that the matrix is installed flush with the surface of the desktop, and the through hole of the matrix is performed with a cross section in the form of a hexagon with two pairs of parallel sides and two sloping sides, with a pair of large parallel equal sides and the adjacent sloping sides form cutting edges, the punch is made in the form of a polyhedron, whose cross section is in a plane parallel to the surface of the desktop, conforms to the shape of the through hole of the matrix, and the shape of the cutting edges of the punch matches the shape of the cutting edges of the matrix, the plug is installed and mounted in a holder rigidly connected to the slider pivotally connected to a Cam and Cam hinged to the base, and the Cam is fixed to the handle, the slider and the Cam is placed in a cavity made in the basis and basis parallel to the surface of the working table installed a measuring stick in the caliper, on a movable carriage which has the focus, the work plane which is perpendicular to the plane of the working table and the axis of the stop p is of the second carriage measuring ruler on the desktop perpendicular to its surface and perpendicular to the plane of movement of the punch has two long stops on opposite sides of the punch with the overlapping of the cutting edges of the punch in the field started cutting.

2. Hand stamp on p. 1, characterized in that the base of the threaded hole with the installed the restrictor of the slide in the form of a screw.

3. Hand stamped under item 1 or 2, characterized in that the clown pinned cable connected through a spring to the base.

4. Hand stamp according to any one of paragraphs.1-3, characterized in that the handle is detachable with possibility of installation on the Cam on the lateral faces of a prism with sides not less than three, then consolidate.

5. Hand stamp according to any one of paragraphs.1-4, characterized in that the beveled side cutting edges of the die and punch form an angle 52.

6. Hand stamp according to any one of paragraphs.1-4, characterized in that the beveled side cutting edges of the die and punch form an angle 42.

 

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